HN: Dead Man's Switch – automated check-ins that notify your emergency contacts

I built this for myself after realizing there was no simple way to ensure someone would be notified if something happened to me while traveling solo.

You set a check-in schedule. If you miss it, your emergency contacts get notified automatically.

Built with Node.js/Express, PostgreSQL, and Web Push for native notifications.

Nine months in, free while in beta. Invitations available at https://deadmansswitch.cloud